body{
    margin: 0;
    padding: 0;
}
/*头部样式*/
header{
    width: 100%;
    height: 60px;
    background-color: #515457;
}
.title{
    width: 600px;
    height: 60px;
    line-height: 60px;
    float: left;
    margin-left: 250px;
    font-size: 25px;
    letter-spacing: 2px;
    font-weight: 700;
    color: #fff;
    text-align: center;
}
.backIndex{
    width: 150px;
    height: 60px;
    float: left;
    line-height: 60px;
    margin-left: 30px;
}
.backIndex img{
    float: left;
    width: 30px;
    height: 30px;
    margin-top: 15px;
    color: #fff;
}
.backIndex h2{
    float: left;
    margin: 0;
    color: #fff;
}
.button{
    width: 200px;
    height: 60px;
    line-height: 60px;
    float: right;
    text-align: right;
    margin-right: 30px;
}
.button button{
    padding: 10px 17px;
    border-radius: 10px;
    border: 1px solid #F56C6C;
    color: #F56C6C;
    background-color: #fef0f0;
    font-size: medium;
}
.button button:hover{
    background-color: #F56C6C;
    color: #fff;
}
.button a{
    text-decoration: none;
    color: #fff;
    font-size: small;
}
.button a:hover{
    color: #F56C6C;
    text-decoration: underline;
}